Monday 2 March 2015

42 DB bubbling stream or a library

Posted to this mooc ....  Re sound levels 42 db goal.


42 DB. "A bubbling stream as quiet as a library."

42 db is a blatant lie.
Re noise, nuisance and public health .....   

It depends when and where the noise measurement is being taken.

This a deliberately misleading number.  Depending a great deal on distance and measuring at the quiet times of an operation.   

This just cannot be true for peak noise levels during the entire fracking drilling and production process.

42 db... That does not include flaring or noise from trucks.

It's good to set goals .... 

What are the financial penalties for breaching those sound boundaries? 

Will the dbs be monitored hourly? 

I recommend something like 1000 to 10000 pound fine every hour or part there of that the sound level limit is breached. To be paid to local residents affected.

Traffic noise is 70 to 90 dbs passing on street.

The diesel generators pump out that kind of noise. Approx 120 db.

The flaring can reach jet engine levels.  Approx 150 db. 

Realistically it has to be measured from people's gardens and their bedrooms.

Noise obeys the inverse square law so distance from residential is the key.   Double the distance and divide the noise by 4.

If we measure at origin noise levels easily above 100 db.


Examples of fracking noise










Independent monitoring assets















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